How to Make Green Slime (a Children's Craft Project)

During the long days of summer break this recipe for green slime is simple enough for older children to make by themselves, while providing a few hours of entertainment. Once the project has been completed, the slime can be kept in an airtight plastic container or plastic bag for several weeks of gooey fun and pranks.

Things You'll Need

2 mixing bowls

8 ounces of glue

Green and yellow food coloring

Spoon for stirring

1 tablespoon Borax

Plastic bag or clean plastic-covered container

Combine 1 cup of cold water with 8 ounces of glue in a medium mixing bowl.

Combine 1 tablespoon of Borax powder with 1/2 cup of hot water in a second bowl. Keep stirring until the Borax has dissolved.

Add about 10 drops of green food coloring and 10 drops of yellow food coloring to the Borax mixture.

Promoted by

Gradually add the hot Borax mixture to the glue-water mixture and stir about 30 seconds.

Mix the ingredients thoroughly. In less than a minute, you'll have a gooey, non-sticky, stretchy slime.

Store your slime in a plastic bag or airtight plastic container. The goop can keep for several weeks if placed in the refrigerator between uses.

Tips & Warnings

To make your slime glow break open a yellow highlighter, remove the stick containing the ink, and let it bleed into the water you use to make the slime. This will make your slime almost fluorescent and glow very brightly under black light.